Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~~p || ~~((F || q) /\ (r || q))

⇒ logic.propositional.notnot

p || ~~((F || q) /\ (r || q))

⇒ logic.propositional.notnot

p || ((F || q) /\ (r || q))

⇒ logic.propositional.falsezeroor

p || (q /\ (r || q))

⇒ logic.propositional.absorpand

p || q